Home / 477,218.93-658,493.55-280,868.66

Finding the Fourth Proportional to 477,218.93, 658,493.55 and 280,868.66

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Solution

The fourth proportional to 477,218.93, 658,493.55 and 280,868.66 is: 387,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,218.93 : 658,493.55 = 280,868.66 : x
  2. Step 2: Convert to fraction form
    477,218.93/658,493.55 = 280,868.66/x
  3. Step 3: Cross multiply
    477,218.93x = 658,493.55 × 280,868.66
  4. Step 4: Simplify right side
    477,218.93x = 184,950,197,714.68
  5. Step 5: Solve for x
    x = 184,950,197,714.68/477,218.93
  6. Step 6: Final answer
    x = 387,558.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.